Question

The following table shows the number of students who earned an A, B, C, and D grade in a business statistics class along with their year in their program.
a. What percentage of students in this class are juniors?
b. What percentage of students in this class earned a B grade?
c. What percentage of students in this class were ­sophomores and earned a B grade?
d. What percentage of students in this class were juniors or earned an A grade?
e. What percentage of students in this class earned a C grade, given they were sophomores?
f. What percentage of students in this class were ­sophomores, given they earned a C grade?
g. Do course grade and year in the program appear to be independent or dependent? Define Event A as earning an A grade and Event B as a student in his or her sophomore year.


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  • CreatedJuly 17, 2015
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